发明人沈红梅,郑宇鹏,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109433989 A, 授权公告日 2021-09-07.
发明人冯建国,马晓峰,何建平. "Method for the Synthesis of 4-(2-Ethylbutanoyl)-N-[2-(pyridin-2-yl)ethyl]-1H-pyrrole-2-carboxamide" [P]. 中国发明专利, 专利号 CN 108678376 A, 授权公告日 2021-05-13.
发明人徐明华,张德明,马晓峰. "A Process for Preparing High-Purity 4-(2-Ethylbutanoyl)-N-[2-(pyridin-2-yl)ethyl]-1H-pyrrole-2-carboxamide" [P]. 中国发明专利, 专利号 CN 108962127 B, 授权公告日 2020-01-26.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2015, 1260, 1913-1942.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2025, 2170, (8), 2588-2609.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 4-(2-Ethylbutanoyl)-N-[2-(pyridin-2-yl)ethyl]-1H-pyrrole-2-carboxamide Using HRMS and NMR". J. Agric. Food Chem., 2020, 1365, (12), 6556-6584.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2010, 1303, 9641-9657.